数据采集与处理
數據採集與處理
수거채집여처리
JOURNAL OF DATA ACQUISITION & PROCESSING
2009年
6期
830-834
,共5页
王前%邱巍巍%吕东强%葛宝珊
王前%邱巍巍%呂東彊%葛寶珊
왕전%구외외%려동강%갈보산
MQ编码%并行%图像压缩%虚拟滑动窗口
MQ編碼%併行%圖像壓縮%虛擬滑動窗口
MQ편마%병행%도상압축%허의활동창구
MQ encoding%parallel%image compression%virtual sliding window
MQ编码算法的高复杂度,低吞吐率严重制约其应用.本文在分析连续码流编码更新规律的基础上,利用滑动窗口机制和概率统计规律预测区间变化,减少并行数据间的关联,设计出三种不同并行度的MQ编码VLSI结构.并在FPGA芯片上进行优化实现.实验结果表明,与单输入MQ编码器相比,三种结构能在不影响器件工作频率和编码效率的情况下,不同程度的提高系统的处理速率,为MQ编码的大规模应用提供了广泛的选择空问.
MQ編碼算法的高複雜度,低吞吐率嚴重製約其應用.本文在分析連續碼流編碼更新規律的基礎上,利用滑動窗口機製和概率統計規律預測區間變化,減少併行數據間的關聯,設計齣三種不同併行度的MQ編碼VLSI結構.併在FPGA芯片上進行優化實現.實驗結果錶明,與單輸入MQ編碼器相比,三種結構能在不影響器件工作頻率和編碼效率的情況下,不同程度的提高繫統的處理速率,為MQ編碼的大規模應用提供瞭廣汎的選擇空問.
MQ편마산법적고복잡도,저탄토솔엄중제약기응용.본문재분석련속마류편마경신규률적기출상,이용활동창구궤제화개솔통계규률예측구간변화,감소병행수거간적관련,설계출삼충불동병행도적MQ편마VLSI결구.병재FPGA심편상진행우화실현.실험결과표명,여단수입MQ편마기상비,삼충결구능재불영향기건공작빈솔화편마효솔적정황하,불동정도적제고계통적처리속솔,위MQ편마적대규모응용제공료엄범적선택공문.
MQ encoding algorithm is strictly retained for its high implementation costs and low throughput.This paper predicts the interval variety and reduces the relationship of parallel data by using sliding window mechanism and the law of probability statistic based on the updated principle of continuous coding.Three MQ encoder VLSI architectures of different parallel degrees are implemented for FPGA devices.Experimental results show that compared with the single input MQ encoder,these three architectures can increase processing speed at different levels while the working frequency and the encoding quality are slightly influenced.These novel techniques provide flexible choices for following large-scale application of MQ encoding.